oracle19c下载
https://www.oracle.com/database/technologies/oracle-database-software-downloads.html#19c
oracle版本说明
Oracle12cR2=12.2.0.1
Oracle18C=12.2.0.2
Oracle19c=12.2.0.3
一、修改环境(安装依赖包,修改内核参数)。
a.安装依赖包
yumInstall-ycompat-libcaplibstdc++-develsysstatkshglibc-devellibaio-develsmartmontoolsnet-toolszipunzip
b.修改内核参数
vi/etc/sysctl.conf
net.ipv4.ip_forward=0
net.ipv4.conf.default.rp_filter=1
net.ipv4.conf.default.accept_source_route=0
kernel.sysrq=0
kernel.core_uses_pid=1
net.ipv4.tcp_syncookies=1
kernel.msgmnb=65536
kernel.msgmax=65536
kernel.shmmax=68719476736
kernel.shmall=4294967296
net.core.rmem_default=262144
net.core.rmem_max=4194304
net.core.wmem_default=262144
net.core.wmem_max=1048576
fs.file-max=6815744
fs.aio-max-nr=1048576
sysctl-p
vi/etc/security/limits.conf
oraclesoftnproc2047
oraclehardnproc16384
oraclesoftnofile1024
oraclehardnofile65536
oraclesoftstack10240
二、创建用户,组
groupaddoper
groupadddba
groupaddasmdba
groupaddbackupdba
groupadddgdba
groupaddkmdba
groupaddracdba
groupaddoinstall
useraddoracle
usermod-goinstall-Goper,dba,asmdba,backupdba,dgdba,kmdba,racdbaoracle
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